SPECIAL MENTION: Sprucing up your beverage with vitamins and flavor now comes in a compact cube. Microdrink ($59), created by Austria-based Waterdrop, offers compact dissolvable cubes made of natural vitamins, free from artificial flavors, sugar, gluten and lactose. Just plop one of its four flavor cubes—BOOST (blackcurrant, elderflower and açaí), YOUTH (peach, ginger, ginseng and aloe vera), GLOW (mango, cactus fruit and artichoke) or ZEN (star fruit, thyme and lemongrass)—into your H2O, and enjoy. —Jared Lindzon
Buy Now: Waterdrop Microdrink